Magpul PMAG Gen 3 Windowed LR308/SR-25 M118 Magazine 7.62/.308 25 Rounds Polymer Black MAG577-BLK

Item No. FC-840815100140
Magpul PMAG Gen 3 Windowed LR308/SR-25 M118 Magazine 7.62/.308 25 Rounds Polymer Black MAG577-BLK
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Brand: Magpul
UPC: 840815100140
Item #: FC-840815100140
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Rugged and Dependable Magpul PMAG Gen 3 Windowed .308 Win / 7.62 NATO Mag

Magpul PMAG Gen 3 magazines are designed for the DPMS LR308/SR-25 pattern AR rifles chambered in .308 Winchester. These magazines have quickly become the industry standard due to their extreme durability, reliability and cost effectiveness. The Gen 3 magazines feature the new constant curve geometric body, anti-tilt followers and other minor improvements. The polymer magazine reduces the overall magazine weight by half without sacrificing durability.

Magpul LR/SR magazines are a must have if you own a compatible .308 AR-type rifle. These new magazines were designed for using match ammunition that is longer than SAMMI-spec. These 25-round magazines are optimized for use with 7.62x51 M118LR or other .308 Winchester match ammunition with a max OAL of 2.830". When you need dependable magazine that you can trust when you need it the most, you can count on Magpul PMAGs. 

Magpul PMAG Gen 3 Windowed Mag Features and Specifications:

  • Manufacturer Number: MAG577-BLK
  • DPMS LR308/SR-25 Style Magazine
  • Caliber: .308 Winchester / 7.62x51 NATO
  • Capacity: 25 Round
  • Body Material: Polymer
  • Spring Material: Steel
  • Follower Material: Polymer
  • Baseplate Material: Polymer
  • Windowed
  • Constant Curve Body
  • Anti-Tilt Follower
  • Finish: Black


  • ArmaLite AR-10A (Series A Pattern Lower)
  • Bushmaster .308 ORC
  • Colt LE901-16S
  • Core Rifle System Core 30
  • DPMS LR308 Rifles
  • JP Enterprises LRP-07
  • Knights Armament SR-25 Rifles
  • LaRue OBR
  • Les Baer .308
  • LMT .308 MWS
  • Mega Arms Maten
  • POF-308
  • Remington R-25
  • Ruger SR-762
  • Smith & Wesson Military and Police 10
  • SIG Sauer 716
  • Similar Type Lower Receivers

Note: NOT compatible with Armalite AR-10B, Noveske N6, Springfield Armory M1A, Rock River Arms LAR8, FN SCAR 17S, PTR-91, HK417 or any other rifles that utilize M14, FN FAL, or HK 91/G3 patterned magazines.

To accommodate longer than SAAMI-spec match ammunition, this magazine may not drop free from all makes of lower receivers.